Reznor 177633 Pressure Switch Els PW 17895 The Ranco C12-2001 is a

The Ranco C12-2001 is a Single Pole Double Throw (SPDT) control engineered specifically for resistance heat lockout and electric heat hold-back

Whether you are performing a new system assembly or a field retrofit

Any attempt to modify the 30 PSI relief setting will void the ASME certification and compromise system safety

This hot surface ignitor is cross-compatible with numerous OEM models

Can this contactor replace a standard 1-pole unit without a shunt

Reznor 177633 Pressure Switch Els PW 17895 The Ranco C12-2001 is aThe Reznor 177633 Pressure Switch is a critical OEM replacement part designed for precision monitoring within commercial gas heating systems. Engineered for unit heaters and duct furnaces, this combustion air pressure switch kit is factory calibrated to a 0. 50" W. C. setpoint (water column). The Reznor 177633 ensures safe ignition sequences and reliable venting verification by detecting proper differential pressure before allowing the gas valve to